(;AB[nb]AB[mb]AB[nc]AB[nd]AB[me]AB[nf]AB[lf]AB[lg]AB[kg]AB[jg]AW[lb]AW[mc]AW[kc]AW[jc]AW[le]AW[ke]AW[kf]AW[jf]AW[ig]AW[ie]AW[hf]AB[je]AB[jd]AB[id]AB[ic]AB[ib]AB[jb]AW[he]AW[gd]AW[gc]AW[gb]C[Black to connect.]AP[goproblems]
(;B[la];W[ka]
(;B[kb];W[ma]
(;B[ld];W[kd]
(;B[lc];W[md];B[lc];W[ld]
(;B[na];W[if]
(;B[ja];W[lc];B[la]C[Well done!RIGHT])
(;B[la]C[]))
(;B[ja];W[if]
(;B[na];W[lc];B[la]C[Well done!RIGHT])
(;B[la])))
(;B[md];W[lc]
(;B[na];W[la];B[ja];W[if]C[Black is cut.])
(;B[ja];W[la];B[na];W[if]C[Black is cut.]))
(;B[na];W[lc]
(;B[la]C[Ko.])
(;B[ja];W[la];B[md];W[if]C[Black is cut.]))
(;B[ja];W[lc]
(;B[la]C[Ko])
(;B[na];W[la];B[md])
(;B[md];W[la];B[na])))
(;B[md];W[lc]
(;B[na];W[la]
(;B[ja];W[if]C[Black is cut.])
(;B[ld];W[kd];B[ja];W[if]C[Black is cut.])
(;B[kd];W[ld];B[ja];W[if]C[Black is cut.]))
(;B[ja];W[la]
(;B[na];W[if]C[Black is cut.])
(;B[ld];W[kd];B[na])
(;B[kd];W[ld];B[na]))
(;B[ld];W[kd]
(;B[na];W[la];B[ja];W[if]C[Black is cut.])
(;B[ja];W[la];B[na]))
(;B[kd];W[ld]
(;B[na];W[la];B[ja];W[if]C[Black is cut.])
(;B[ja];W[la];B[na])))
(;B[kd];W[ld]
(;B[lc];W[kc]C[Black is cut.])
(;B[md];W[lc]
(;B[na];W[la];B[ja];W[if]C[Black is cut.])
(;B[ja];W[la];B[na];W[if]C[Black is cut.])))
(;B[na];W[lc]
(;B[la]C[White get a ko.])
(;B[ja];W[la]
(;B[kd];W[ld])
(;B[ld];W[kd];B[md])))
(;B[ja];W[lc]
(;B[la]C[White get a ko.])
(;B[na];W[la]
(;B[kd];W[ld])
(;B[ld];W[kd])))
(;B[lc];W[ld]
(;B[na];W[la];B[ja];W[lc]C[Black is cut])
(;B[kd]C[White can play elsewhere.])
(;B[ja];W[la];B[na];W[lc]C[Black is cut])))
(;B[ld];W[kd]
(;B[kb];W[ma])
(;B[lc];W[kb]))
(;B[kd];W[ld]
(;B[kb];W[ma]
(;B[lc];W[kc]C[Black is cut.])
(;B[md];W[lc]
(;B[na];W[la];B[ja];W[if]C[Black is cut.])
(;B[ja];W[la];B[na])))
(;B[md];W[lc];B[kb];W[ma]
(;B[na];W[la];B[ja];W[if]C[Black is cut.])
(;B[ja];W[la];B[na])))
(;B[ma];W[kb])
(;B[md];W[lc]
(;B[kb];W[ma]
(;B[na];W[la]
(;B[ja];W[if]C[Black is cut.])
(;B[ld];W[kd])
(;B[kd];W[ld]))
(;B[ja];W[la]
(;B[na])
(;B[ld];W[kd])
(;B[kd];W[ld]))
(;B[ld];W[kd])
(;B[kd];W[ld]))
(;B[ld];W[kd];B[kb];W[ma]
(;B[na];W[la];B[ja];W[if]C[Black is cut.])
(;B[ja];W[la];B[na]))
(;B[kd]C[NOTTHIS]))
(;B[ja];W[ma]
(;B[kb];W[lc]
(;B[la]C[White get a ko.])
(;B[na]))
(;B[ld];W[kd]
(;B[kb];W[lc]
(;B[la]C[Ko])
(;B[na])
(;B[md]))
(;B[lc];W[kb]))))
(;B[ld];W[kd]
(;B[la];W[ka]
(;B[kb];W[ma]
(;B[lc];W[md];B[lc];W[ld]
(;B[na];W[if]
(;B[ja];W[lc];B[la]C[Well done!RIGHT])
(;B[la]C[]))
(;B[ja];W[if]
(;B[na])
(;B[la])))
(;B[md];W[lc]
(;B[na];W[la];B[ja];W[if]C[Black is cut.])
(;B[ja];W[la];B[na]))
(;B[na];W[lc]
(;B[la]C[Ko.])
(;B[ja];W[la];B[md]))
(;B[ja];W[lc]
(;B[la]C[Ko])
(;B[na])
(;B[md])))
(;B[lc];W[kb]))
(;B[kb];W[la]
(;B[lc];W[md];B[lc];W[ld]C[Black is cut])
(;B[md];W[lc]))
(;B[md];W[lc];B[la];W[ka])
(;B[lc];W[kb]))
(;B[kb];W[la]
(;B[kd];W[ld]
(;B[lc];W[kc]C[Black is cut])
(;B[md];W[lc]))
(;B[ld];W[kd]
(;B[lc];W[md];B[lc];W[ld]C[Black is cut])
(;B[md];W[lc])))
(;B[md];W[lc]
(;B[la];W[ka]
(;B[kb];W[ma])
(;B[ld];W[kd];B[kb];W[ma])
(;B[kd]C[NOTTHIS]))
(;B[ld];W[kd];B[la];W[ka];B[kb];W[ma])
(;B[kd]C[NOTTHIS]))
(;B[kd];W[ld]
(;B[kb];W[la]
(;B[lc];W[kc]C[Black is cut])
(;B[md];W[lc]))
(;B[la];W[ka]
(;B[kb];W[ma])
(;B[md];W[lc];B[kb];W[ma]))
(;B[md];W[lc];B[la];W[ka];B[kb];W[ma])))